Leases (Tables)

12 Months Ended

Dec. 31, 2021

Leases [Abstract]

Schedule of Least Cost

The components of total lease cost were as follows:

	Years Ended December 31,
(in millions)	2021		2020
Short-term lease cost (a) (b)	$	11.1	$	6.5
Operating lease cost (b)	7.8		6.6
Finance lease interest expense	0.3		0.1
Finance lease amortization expense (b)	0.5		0.2
Total lease cost	$	19.7	$	13.4

(a)Includes leases with terms of one month or less.

(b)Includes variable lease costs, which were not material.

Supplemental cash flow information related to leases are as follows:

	Years Ended December 31,
(in millions)	2021		2020
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$	6.5	$	6.0
Operating cash flows from finance leases	$	0.3	$	0.1
Financing cash flows from finance lease	$	0.2	$	0.1
ROUAs obtained in exchange for lease obligations
Operating leases	$	9.8	$	2.8
Finance leases	$	4.4	$	5.1

Other information related to operating leases was as follows:

	December 31,
Weighted Average Remaining Lease Term	2021		2020
Operating leases	5.9 years		5.9 years
Finance leases	16.0 years		18.4 years
Weighted Average Discount Rate
Operating leases	3.5	%	3.8	%
Finance leases	3.3	%	2.9	%

Schedule of Future Minimum Operating Leases

As of December 31, 2021, the future undiscounted cash flows associated with the Company's operating and financing lease liabilities were as follows:

(in millions)
Years Ended December 31,	Operating Leases		Finance Leases
2022	$	5.9	$	0.8
2023	5.4		0.8
2024	5.2		0.8
2025	4.8		0.8
2026	4.6		0.8
Thereafter	4.9		9.6
Total future minimum lease payments	30.8		13.6
Less: Imputed interest	3.1		3.3
Present value of lease liabilities	$	27.7	$	10.3
Reported lease liabilities as of December 31, 2021
Accrued expense and other current liabilities (current maturities of leases)	$	5.3	$	0.4
Other liabilities (non-current maturities of leases)	22.4		9.9
Present value of lease liabilities	$	27.7	$	10.3